CN110365606A - Data service handling method, device, optical transmission device and storage medium - Google Patents
Data service handling method, device, optical transmission device and storage medium Download PDFInfo
- Publication number
- CN110365606A CN110365606A CN201810311720.8A CN201810311720A CN110365606A CN 110365606 A CN110365606 A CN 110365606A CN 201810311720 A CN201810311720 A CN 201810311720A CN 110365606 A CN110365606 A CN 110365606A
- Authority
- CN
- China
- Prior art keywords
- business
- otn
- ptn
- packet
- handled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1652—Optical Transport Network [OTN]
- H04J3/1664—Optical Transport Network [OTN] carrying hybrid payloads, e.g. different types of packets or carrying frames and packets in the paylaod
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1652—Optical Transport Network [OTN]
- H04J3/167—Optical Transport Network [OTN] interaction with SDH/SONET, e.g. carrying SDH/SONET frames, interfacing with SDH/SONET
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/62—Queue scheduling characterised by scheduling criteria
- H04L47/625—Queue scheduling characterised by scheduling criteria for service slots or service orders
- H04L47/6275—Queue scheduling characterised by scheduling criteria for service slots or service orders based on priority
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0064—Arbitration, scheduling or medium access control aspects
Abstract
The invention discloses a kind of data service handling method, device, optical transmission device and computer readable storage mediums, this method comprises: being handled the first business packet of received corresponding PTN business to obtain the first ODU frame, and the first ODU is handled to obtain the first data packet for meeting preset standard；By presetting the channel for corresponding to the OTN business, the PTN business in multiple channels to first data packet progress cross scheduling；First data packet is handled to obtain the first ODU frame, OTN business is formed according to the first ODU frame and is exported.The process that must be exported in compared with the prior art after access PTN business with PTN business, is related to less to the processing of ODU frame, and process is simpler, therefore the time delay of PTN repeat in work scheduling is lower.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of data service handling method, device, optical transmission device and
Storage medium.
Background technique
Due to OTN (Optical Transport Network, optical transfer network) business and PTN (Packet Transport
Network, Packet Transport Network) business and SDH (Synchronous Digital Hierarchy, synchronous digital system) business
There are bigger differences on Form of Technique, as shown in Figure 1, PTN business and SDH business need to be encapsulated in ODU by mapping
It could be transmitted in OTN network after (Optical channel data unit, light-path data cell) unit, therefore
The unified centralized cross scheduling directly to PTN business and SDH business is difficult to realize in existing OTN equipment.
It is generally required and is matched if OTN equipment will realize the cross scheduling processing to PTN and SDH business by traditional method
Set corresponding dedicated cross scheduling board to realize the cross scheduling to PTN and SDH business, as shown in Figure 2.The disadvantage of this scheme
End is: one repeatedly arrives the mapping demapping of ODU unit and the cross scheduling of ODU since PTN and SDH business needs to pass through,
Introduce additional switching delay；Secondly, need the dedicated cross scheduling veneer of additional newly-increased PTN and SDH business, occupy and set
Standby limited line card slot position resource, and increase the power consumption of equipment；Thirdly, need additionally to purchase dedicated cross scheduling plate, increase
Operation cost is added.
It is real using OTN equipment as 5G mobile communication of new generation is for the demand of high bandwidth low delay return network equipment
The signal return of the existing base station 5G becomes a kind of optinal plan, it is therefore desirable to which OTN equipment supports the cross scheduling to PTN business.Base
The equipment of signal return of standing generally is deployed in the access layer of network, and this requires this OTN equipment to have spy low in energy consumption small in size
Point.
Summary of the invention
It is a primary object of the present invention to propose that a kind of data service handling method, device, optical transmission device and storage are situated between
Matter, it is intended to OTN equipment be enable to support the quick cross scheduling to PTN business.
To achieve the above object, the present invention provides a kind of data service handling methods, comprising: to received corresponding PTN
First business packet of business is handled to obtain the first ODU frame, and is handled to obtain to the first ODU and meet preset standard
The first data packet；By presetting the channel for corresponding to the OTN business, the PTN business in multiple channels to first number
Cross scheduling is carried out according to packet；First data packet is handled to obtain the first ODU frame, according to the first ODU frame
It forms OTN business and exports.
To realize above-mentioned target, the present invention also provides a kind of data processing devices, comprising: business receiving module, it is right
First business packet of received corresponding PTN business is handled to obtain the first ODU frame, and handle to the first ODU
To the first data packet for meeting preset standard；Cross scheduling module corresponds to the OTN business, institute by presetting in multiple channels
The channel for stating PTN business carries out cross scheduling to first data packet；Business output module is handled to first data packet
It is handled to obtain the first ODU frame, OTN business is formed according to the first ODU frame and is exported.
To realize above-mentioned target, the present invention also provides a kind of optical transmission device, including processor, memory and communication are total
Line；The communication bus is for realizing the connection communication between processor and memory；The processor is for executing memory
The data processing program of middle storage, the step of to realize data service handling method above-mentioned.
To realize above-mentioned target, the present invention also provides a kind of computer readable storage mediums, which is characterized in that the calculating
Machine readable storage medium storing program for executing is stored with one or more program, and one or more of programs can be handled by one or more
Device executes, the step of to realize data service handling method above-mentioned.
According to above technical scheme, it is known that data service handling method, device, optical transmission device and storage of the invention is situated between
Matter has at least the following advantages:
According to the technique and scheme of the present invention, after accessing PTN business, the business packet of PTN business is handled as ODU frame, base
Cross scheduling is carried out after ODU frame forms data packet, is completed to handle data packet again after cross scheduling as ODU frame, and base
The output of OTN business is formed in ODU frame, the process that must be exported compared with the prior art after middle access PTN business with PTN business,
It is related to less to the processing of ODU frame, process is simpler, therefore the time delay of PTN repeat in work scheduling is lower.
Detailed description of the invention
Fig. 1 is the difference figure of the OTN business of the prior art, PTN business, SDH business；
Fig. 2 is the repeat in work scheduling schematic diagram of the prior art；
Fig. 3 is the flow chart one of data service handling method according to an embodiment of the invention；
Fig. 4 A is the schematic diagram one of data service handling method according to an embodiment of the invention；
Fig. 4 B is the schematic diagram two of data service handling method according to an embodiment of the invention；
Fig. 5 is the flowchart 2 of data service handling method according to an embodiment of the invention；
Fig. 6 A is the schematic diagram three of data service handling method according to an embodiment of the invention；
Fig. 6 B is the schematic diagram four of data service handling method according to an embodiment of the invention；
Fig. 7 is the flow chart 3 of data service handling method according to an embodiment of the invention；
Fig. 8 A is the schematic diagram five of data service handling method according to an embodiment of the invention；
Fig. 8 B is the schematic diagram six of data service handling method according to an embodiment of the invention；
Fig. 9 is the flow chart four of data service handling method according to an embodiment of the invention；
Figure 10 A is the schematic diagram seven of data service handling method according to an embodiment of the invention；
Figure 10 B is the schematic diagram eight of data service handling method according to an embodiment of the invention；
Figure 11 is the block diagram of data processing device according to an embodiment of the invention；
Figure 12 is the schematic diagram of optical transmission device according to an embodiment of the invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In subsequent description, it is only using the suffix for indicating such as " module ", " component " or " unit " of element
Be conducive to explanation of the invention, itself there is no a distinctive meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
As shown in figure 3, a kind of data service handling method is provided in one embodiment of the present of invention, the number of the present embodiment
Include: according to method for processing business
Step S310 handles the first business packet of received corresponding PTN business to obtain the first ODU frame, and to
One ODU is handled to obtain the first data packet for meeting preset standard.
In the present embodiment, preset standard includes but is not limited to OFP (the OTN standard based on grouping framework) standard.
Step S320, the channel by presetting the OTN business that corresponds in multiple channels, PTN business carry out the first data packet
Cross scheduling.
In the present embodiment, in order to guarantee that OTN equipment can be with bearing multiple service, so designing in OTN equipment a variety of
Different business datums is transmitted in channel by different channels.
Step S330 handles the first data packet to obtain the first ODU frame, forms OTN business simultaneously according to the first ODU frame
Output.
In the present embodiment, PTN business not only may be implemented to the process of OTN business, can also realize OTN industry in turn
It is engaged in the process of PTN business.
As shown in Figure 4 A and 4 B shown in FIG., Fig. 4 A shows the work original for the OTN equipment realized according to the present embodiment technical solution
Reason, Fig. 4 B shows the workflow for the OTN equipment realized according to the present embodiment technical solution, to the processing stream of PTN business
Journey can be such that
The PTN business of client's access can be with access service access unit (module that OTN equipment is used for business input and output).
PTN business completes PTN ether network packet to GFP (the Generic Framing of ODU frame in service access unit
Procedure, Generic Framing Procedure) mapping, PTN encapsulating is attached to ODUk, and (value of k is different, indicates different types of ODU
Frame) in frame, realize the mapping process of PTN to OTN.Service access unit completion ODUk frame cuts packet and encapsulation, forms reticle
The OFP packet of formula, then the unified crossing scheduling unit in OTN equipment is sent to by backboard high-speed bus (OTN equipment is used for
Realize the module of data cross scheduling), by the empty port mapping in PTN and OTN cross scheduling channel, realize the friendship of PTN business
Fork scheduling.Cross scheduling treated OFP packet is sent to the weight that service access unit realizes ODUk frame by backboard high-speed bus
Group and mapping, and outputting standard OTN business.
So PTN business can complete ether network packet and map to the GFP of ODU frame according to the technical solution of the present embodiment,
It is handled using OTN cross scheduling, the empty port mapping function of completion PTN business to OTN business.Similarly, it is carried in ODU frame
The GFP demapping function from OTN to PTN also may be implemented in PTN business.By this process, the technical solution of the present embodiment can
To realize that the low delay cross scheduling between OTN and PTN business is handled.
As shown in figure 5, a kind of data service handling method is provided in one embodiment of the present of invention, the number of the present embodiment
Include: according to method for processing business
Step S510 is handled to obtain the 2nd ODU frame, to second to the second business packet of received corresponding OTN business
ODU frame is handled to obtain the second data packet for meeting preset standard.
In the present embodiment, preset standard includes but is not limited to OFP (the OTN standard based on grouping framework) standard.
Step S520 corresponds to the channel of OTN business and carries out cross scheduling to the second data packet by presetting in multiple channels,
The channel that OTN business is corresponded in multiple channels has highest priority in cross scheduling.
In the present embodiment, in order to guarantee that OTN business can be transmitted in time, the corresponding channel of OTN business is arranged
For highest priority, i.e., the transmission of OTN business is preferentially completed when being transmitted.
Step S530 handles the second data packet to obtain the 2nd ODU frame, and forms OTN industry according to the 2nd ODU frame
It is engaged in and exports.
As shown in Figure 6 A and 6 B, Fig. 6 A shows the work original for the OTN equipment realized according to the present embodiment technical solution
Reason, Fig. 6 B shows the workflow for the OTN equipment realized according to the present embodiment technical solution, to the processing stream of OTN business
Journey can be such that
The OTN business of client accesses the OTN equipment based on packet-switch technology by service access unit.Service access
It completes to go out ODUk traffic frame to be scheduled to the demapping of OTN business on unit.OTN service access unit is completed at the same time to ODUk
Traffic frame cuts packet and encapsulation, forms the OFP packet of reference format, and it is single to be sent to unified crossing scheduling by backboard high-speed bus
Member.Unified crossing scheduling unit is realized by OTN high priority cross scheduling channel intersects OTN business high priority low delay
Scheduling, and the OFP packet after scheduling is sent to service access processing unit by backboard high-speed bus.Service access unit is completed
OFP package-restructuring is that ODUk frame and OTN business map, by OTN frame, and outputting standard OTN business.
So in the technical scheme of this embodiment, OTN business obtains ODUk (k=to be scheduled after carrying out ODU demapping
0,1,2,3,4) business, ODUk dresses up the OFP packet of reference format by cutting encapsulating, then is sent to unification by backboard high-speed link
The cross scheduling of ODUk is completed in cross scheduling unit.ODUk after scheduling is sent to ODU business by backboard high-speed link and connects
Enter unit and complete mapping, carry out OFP unpacking and reassemble into ODUk frame, completes the cross scheduling of OTN business.The OTN of the present embodiment
Equipment is the cross scheduling of OTN equipment and the difference of conventional OTN equipment, passes through the OTN high in cross scheduling unit
Priority channel guarantees the priority scheduling to OTN business.
As shown in fig. 7, a kind of data service handling method is provided in one embodiment of the present of invention, the number of the present embodiment
Include: according to method for processing business
Step S710 handles the third business packet of received corresponding PTN business to obtain meet preset standard
Three data packets.
In the present embodiment, preset standard includes but is not limited to OFP (the OTN standard based on grouping framework) standard.
Step S720, the channel by corresponding to PTN business in multiple channels carry out cross scheduling to third data packet.
In the present embodiment, the corresponding channel of PTN business can be the channel of stratification, that is, correspond to different PTN business
There is different transmission priorities, so as to realize important PTN business prioritised transmission.
In the present embodiment, in order to guarantee the carrying to PTN business and the output to realize output PTN business, in OTN
The channel of transmission PTN business is provided in equipment, so that the business packet of PTN need not pass through the mapping and demapping of ODU frame, i.e.,
The transmission of achievable PTN business.
Step S730 forms PTN business based on third data packet and exports.
As shown in Figure 8 A and 8 B, Fig. 8 A shows the work original for the OTN equipment realized according to the present embodiment technical solution
Reason, Fig. 8 B shows the workflow for the OTN equipment realized according to the present embodiment technical solution, to the processing stream of PTN business
Journey can be such that
PTN business is accessed by service access unit.The completion of service access unit cuts packet and encapsulation to PTN business packet,
The OFP packet for forming reference format, the unified crossing scheduling unit on cross board is sent to by backboard high-speed bus.It is unified
Cross scheduling unit completes the cross scheduling to PTN business by the PTN cross scheduling channel of stratification, by the OFP after scheduling
Packet is sent to service access unit by backboard high-speed bus.It is PTN business packet that service access unit, which completes OFP package-restructuring, and
Outputting standard PTN business.
So according to the technical solution of the present embodiment, after PTN business completes the processing of OFP package by service access unit,
The cross scheduling that unified crossing scheduling unit completes PTN business is sent to by backboard high-speed link again, at cross scheduling
PTN business packet after reason is transmitted back to service access unit by backboard high-speed link, completes the cross scheduling of PTN business.
As shown in figure 9, a kind of data service handling method is provided in one embodiment of the present of invention, the number of the present embodiment
Include: according to method for processing business
Step S910 is handled to obtain VC (virtual container) particle to the 4th business packet of received corresponding SDH business.
Step S920, the channel by corresponding to SDH business in multiple channels carry out cross scheduling to above-mentioned VC particle.
In the present embodiment, in order to guarantee the carrying to SDH business and the output to realize output SDH business, in OTN
The channel of transmission SDH business is provided in equipment, so that the business packet of SDH need not pass through the mapping and demapping of ODU frame, i.e.,
The transmission of achievable SDH business.
Step S930 forms SDH business based on VC particle and exports.
As shown in figs. 10 a and 10b, Figure 10 A shows the work for the OTN equipment realized according to the present embodiment technical solution
Principle, Figure 10 B show the workflow for the OTN equipment realized according to the present embodiment technical solution, the processing to SDH business
Process can be such that
The SDH business of client's access completes access by service access unit.Service access unit is completed to SDH business
Demapping obtains VC particle to be scheduled.VC particle to cross scheduling is sent on cross board by core bus
Unified crossing scheduling unit.Unified crossing scheduling unit completes the cross scheduling to VC particle, and the VC particle after scheduling is led to
It crosses core bus and is sent to service access unit.Service access unit completes the mapping of SDH business, realizes SDH business in this dress
Cross scheduling function in setting.
So technical solution according to the embodiment, SDH business is obtained to be scheduled by the demapping of service access unit
VC particle is sent to the cross scheduling that VC particle is completed in unified crossing scheduling unit by backpanel links.VC after scheduling
Grain is sent to the encapsulation and mapping that service access unit carries out SDH by backboard again, completes the cross scheduling of SDH business.
As shown in figure 11, a kind of data processing device is provided in one embodiment of the present of invention, the present embodiment
Data processing device includes:
Business receiving module 1110 is handled to obtain the first ODU to the first business packet of received corresponding PTN business
Frame, and the first ODU is handled to obtain the first data packet for meeting preset standard.
In the present embodiment, preset standard includes but is not limited to OFP (the OTN standard based on grouping framework) standard.
Cross scheduling module 1120, by presetting the channel of the OTN business that corresponds in multiple channels, PTN business to the first number
Cross scheduling is carried out according to packet.
In the present embodiment, in order to guarantee that OTN equipment can be with bearing multiple service, so designing in OTN equipment a variety of
Different business datums is transmitted in channel by different channels.
Business output module 1130 handles the first data packet to obtain the first ODU frame, be formed according to the first ODU frame
OTN business simultaneously exports.
In the present embodiment, PTN business not only may be implemented to the process of OTN business, can also realize OTN industry in turn
It is engaged in the process of PTN business.
As shown in Figure 4 A and 4 B shown in FIG., Fig. 4 A shows the work original for the OTN equipment realized according to the present embodiment technical solution
Reason, Fig. 4 B shows the workflow for the OTN equipment realized according to the present embodiment technical solution, to the processing stream of PTN business
Journey can be such that
The PTN business of client's access can be with access service access unit (module that OTN equipment is used for business input and output).
PTN business completes PTN ether network packet to GFP (the Generic Framing of ODU frame in service access unit
Procedure, Generic Framing Procedure) mapping, PTN encapsulating is attached to ODUk, and (value of k is different, indicates different types of ODU
Frame) in frame, realize the mapping process of PTN to OTN.Service access unit completion ODUk frame cuts packet and encapsulation, forms reticle
The OFP packet of formula, then the unified crossing scheduling unit in OTN equipment is sent to by backboard high-speed bus (OTN equipment is used for
Realize the module of data cross scheduling), by the empty port mapping in PTN and OTN cross scheduling channel, realize the friendship of PTN business
Fork scheduling.Cross scheduling treated OFP packet is sent to the weight that service access unit realizes ODUk frame by backboard high-speed bus
Group and mapping, and outputting standard OTN business.
So PTN business can complete ether network packet and map to the GFP of ODU frame according to the technical solution of the present embodiment,
It is handled using OTN cross scheduling, the empty port mapping function of completion PTN business to OTN business.Similarly, it is carried in ODU frame
The GFP demapping function from OTN to PTN also may be implemented in PTN business.By this process, the technical solution of the present embodiment can
To realize that the low delay cross scheduling between OTN and PTN business is handled.
As shown in figure 11, a kind of data processing device is provided in one embodiment of the present of invention, the present embodiment
Data processing device includes:
Business receiving module 1110 is handled to obtain the 2nd ODU to the second business packet of received corresponding OTN business
Frame handles the 2nd ODU frame to obtain the second data packet for meeting preset standard.
In the present embodiment, preset standard includes but is not limited to OFP (the OTN standard based on grouping framework) standard.
Cross scheduling module 1120, by presetting the channel for corresponding to OTN business in multiple channels to the progress of the second data packet
Cross scheduling, the channel that OTN business is corresponded in multiple channels have highest priority in cross scheduling；
In the present embodiment, in order to guarantee that OTN business can be transmitted in time, the corresponding channel of OTN business is arranged
For highest priority, i.e., the transmission of OTN business is preferentially completed when being transmitted.
Business output module 1130 handles the second data packet to obtain the 2nd ODU frame, and according to the 2nd ODU frame
It forms OTN business and exports.
As shown in Figure 6 A and 6 B, Fig. 6 A shows the work original for the OTN equipment realized according to the present embodiment technical solution
Reason, Fig. 6 B shows the workflow for the OTN equipment realized according to the present embodiment technical solution, to the processing stream of OTN business
Journey can be such that
The OTN business of client accesses the OTN equipment based on packet-switch technology by service access unit.Service access
It completes to go out ODUk traffic frame to be scheduled to the demapping of OTN business on unit.OTN service access unit is completed at the same time to ODUk
Traffic frame cuts packet and encapsulation, forms the OFP packet of reference format, and it is single to be sent to unified crossing scheduling by backboard high-speed bus
Member.Unified crossing scheduling unit is realized by OTN high priority cross scheduling channel intersects OTN business high priority low delay
Scheduling, and the OFP packet after scheduling is sent to service access processing unit by backboard high-speed bus.Service access unit is completed
OFP package-restructuring is that ODUk frame and OTN business map, by OTN frame, and outputting standard OTN business.
So in the technical scheme of this embodiment, OTN business obtains ODUk (k=to be scheduled after carrying out ODU demapping
0,1,2,3,4) business, ODUk dresses up the OFP packet of reference format by cutting encapsulating, then is sent to unification by backboard high-speed link
The cross scheduling of ODUk is completed in cross scheduling unit.ODUk after scheduling is sent to ODU business by backboard high-speed link and connects
Enter unit and complete mapping, carry out OFP unpacking and reassemble into ODUk frame, completes the cross scheduling of OTN business.The OTN of the present embodiment
Equipment is the cross scheduling of OTN equipment and the difference of conventional OTN equipment, passes through the OTN high in cross scheduling unit
Priority channel guarantees the priority scheduling to OTN business.
As shown in figure 11, a kind of data processing device is provided in one embodiment of the present of invention, the present embodiment
Data processing device includes:
Business receiving module 1110, the third business packet of received corresponding PTN business is handled to obtain meet it is default
The third data packet of standard.
In the present embodiment, preset standard includes but is not limited to OFP (the OTN standard based on grouping framework) standard.
Cross scheduling module 1120, the channel by corresponding to PTN business in multiple channels intersect third data packet
Scheduling.
In the present embodiment, the corresponding channel of PTN business can be the channel of stratification, that is, correspond to different PTN business
There is different transmission priorities, so as to realize important PTN business prioritised transmission.
In the present embodiment, in order to guarantee the carrying to PTN business and the output to realize output PTN business, in OTN
The channel of transmission PTN business is provided in equipment, so that the business packet of PTN need not pass through the mapping and demapping of ODU frame, i.e.,
The transmission of achievable PTN business.
Business output module 1130 forms PTN business based on third data packet and exports.
As shown in Figure 8 A and 8 B, Fig. 8 A shows the work original for the OTN equipment realized according to the present embodiment technical solution
Reason, Fig. 8 B shows the workflow for the OTN equipment realized according to the present embodiment technical solution, to the processing stream of PTN business
Journey can be such that
PTN business is accessed by service access unit.The completion of service access unit cuts packet and encapsulation to PTN business packet,
The OFP packet for forming reference format, the unified crossing scheduling unit on cross board is sent to by backboard high-speed bus.It is unified
Cross scheduling unit completes the cross scheduling to PTN business by the PTN cross scheduling channel of stratification, by the OFP after scheduling
Packet is sent to service access unit by backboard high-speed bus.It is PTN business packet that service access unit, which completes OFP package-restructuring, and
Outputting standard PTN business.
So according to the technical solution of the present embodiment, after PTN business completes the processing of OFP package by service access unit,
The cross scheduling that unified crossing scheduling unit completes PTN business is sent to by backboard high-speed link again, at cross scheduling
PTN business packet after reason is transmitted back to service access unit by backboard high-speed link, completes the cross scheduling of PTN business.
As shown in figure 11, a kind of data processing device is provided in one embodiment of the present of invention, the present embodiment
Data processing device includes:
Business receiving module 1110 handles the 4th business packet of received corresponding SDH business to obtain VC (virtual appearance
Device) particle；
Cross scheduling module 1120, the channel by corresponding to SDH business in multiple channels intersect above-mentioned VC particle
Scheduling.
In the present embodiment, in order to guarantee the carrying to SDH business and the output to realize output SDH business, in OTN
The channel of transmission SDH business is provided in equipment, so that the business packet of SDH need not pass through the mapping and demapping of ODU frame, i.e.,
The transmission of achievable SDH business.
Business output module 1130 forms SDH business based on VC particle and exports.
As shown in figs. 10 a and 10b, Figure 10 A shows the work for the OTN equipment realized according to the present embodiment technical solution
Principle, Figure 10 B show the workflow for the OTN equipment realized according to the present embodiment technical solution, the processing to SDH business
Process can be such that
The SDH business of client's access completes access by service access unit.Service access unit is completed to SDH business
Demapping obtains VC particle to be scheduled.VC particle to cross scheduling is sent on cross board by core bus
Unified crossing scheduling unit.Unified crossing scheduling unit completes the cross scheduling to VC particle, and the VC particle after scheduling is led to
It crosses core bus and is sent to service access unit.Service access unit completes the mapping of SDH business, realizes SDH business in this dress
Cross scheduling function in setting.
So technical solution according to the embodiment, SDH business is obtained to be scheduled by the demapping of service access unit
VC particle is sent to the cross scheduling that VC particle is completed in unified crossing scheduling unit by backpanel links.VC after scheduling
Grain is sent to the encapsulation and mapping that service access unit carries out SDH by backboard again, completes the cross scheduling of SDH business.
As shown in figure 12, it provides a kind of optical transmission device in one embodiment of the present of invention, including processor 1210, deposits
Reservoir 1220 and communication bus 1230；
Communication bus 1230 is for realizing the connection communication between processor 1210 and memory 1220；
Processor 1210 is for executing the data processing program stored in memory 1220, to realize step below
It is rapid:
First business packet of received corresponding PTN business is handled to obtain the first ODU frame, and the first ODU is carried out
Processing obtains the first data packet for meeting preset standard.
In the present embodiment, preset standard includes but is not limited to OFP (the OTN standard based on grouping framework) standard.
Channel by presetting the OTN business that corresponds in multiple channels, PTN business carries out cross scheduling to the first data packet.
In the present embodiment, in order to guarantee that OTN equipment can be with bearing multiple service, so designing in OTN equipment a variety of
Different business datums is transmitted in channel by different channels.
First data packet is handled to obtain the first ODU frame, OTN business is formed according to the first ODU frame and is exported.
In the present embodiment, PTN business not only may be implemented to the process of OTN business, can also realize OTN industry in turn
It is engaged in the process of PTN business.
As shown in Figure 4 A and 4 B shown in FIG., Fig. 4 A shows the work original for the OTN equipment realized according to the present embodiment technical solution
Reason, Fig. 4 B shows the workflow for the OTN equipment realized according to the present embodiment technical solution, to the processing stream of PTN business
Journey can be such that
The PTN business of client's access can be with access service access unit (module that OTN equipment is used for business input and output).
PTN business completes PTN ether network packet to GFP (the Generic Framing of ODU frame in service access unit
Procedure, Generic Framing Procedure) mapping, PTN encapsulating is attached to ODUk, and (value of k is different, indicates different types of ODU
Frame) in frame, realize the mapping process of PTN to OTN.Service access unit completion ODUk frame cuts packet and encapsulation, forms reticle
The OFP packet of formula, then the unified crossing scheduling unit in OTN equipment is sent to by backboard high-speed bus (OTN equipment is used for
Realize the module of data cross scheduling), by the empty port mapping in PTN and OTN cross scheduling channel, realize the friendship of PTN business
Fork scheduling.Cross scheduling treated OFP packet is sent to the weight that service access unit realizes ODUk frame by backboard high-speed bus
Group and mapping, and outputting standard OTN business.
So PTN business can complete ether network packet and map to the GFP of ODU frame according to the technical solution of the present embodiment,
It is handled using OTN cross scheduling, the empty port mapping function of completion PTN business to OTN business.Similarly, it is carried in ODU frame
The GFP demapping function from OTN to PTN also may be implemented in PTN business.By this process, the technical solution of the present embodiment can
To realize that the low delay cross scheduling between OTN and PTN business is handled.
A kind of computer readable storage medium, computer readable storage medium are additionally provided in one embodiment of the present of invention
It is stored with one or more program, one or more program can be executed by one or more processor, following to realize
The step of:
First business packet of received corresponding PTN business is handled to obtain the first ODU frame, and the first ODU is carried out
Processing obtains the first data packet for meeting preset standard.
In the present embodiment, preset standard includes but is not limited to OFP (the OTN standard based on grouping framework) standard.
Channel by presetting the OTN business that corresponds in multiple channels, PTN business carries out cross scheduling to the first data packet.
In the present embodiment, in order to guarantee that OTN equipment can be with bearing multiple service, so designing in OTN equipment a variety of
Different business datums is transmitted in channel by different channels.
First data packet is handled to obtain the first ODU frame, OTN business is formed according to the first ODU frame and is exported.
In the present embodiment, PTN business not only may be implemented to the process of OTN business, can also realize OTN industry in turn
It is engaged in the process of PTN business.
As shown in Figure 4 A and 4 B shown in FIG., Fig. 4 A shows the work original for the OTN equipment realized according to the present embodiment technical solution
Reason, Fig. 4 B shows the workflow for the OTN equipment realized according to the present embodiment technical solution, to the processing stream of PTN business
Journey can be such that
The PTN business of client's access can be with access service access unit (module that OTN equipment is used for business input and output).
PTN business completes PTN ether network packet to GFP (the Generic Framing of ODU frame in service access unit
Procedure, Generic Framing Procedure) mapping, PTN encapsulating is attached to ODUk, and (value of k is different, indicates different types of ODU
Frame) in frame, realize the mapping process of PTN to OTN.Service access unit completion ODUk frame cuts packet and encapsulation, forms reticle
The OFP packet of formula, then the unified crossing scheduling unit in OTN equipment is sent to by backboard high-speed bus (OTN equipment is used for
Realize the module of data cross scheduling), by the empty port mapping in PTN and OTN cross scheduling channel, realize the friendship of PTN business
Fork scheduling.Cross scheduling treated OFP packet is sent to the weight that service access unit realizes ODUk frame by backboard high-speed bus
Group and mapping, and outputting standard OTN business.
So PTN business can complete ether network packet and map to the GFP of ODU frame according to the technical solution of the present embodiment,
It is handled using OTN cross scheduling, the empty port mapping function of completion PTN business to OTN business.Similarly, it is carried in ODU frame
The GFP demapping function from OTN to PTN also may be implemented in PTN business.By this process, the technical solution of the present embodiment can
To realize that the low delay cross scheduling between OTN and PTN business is handled.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of data service handling method characterized by comprising
First business packet of received corresponding PTN business is handled to obtain the first ODU frame, and the first ODU is carried out
Processing obtains the first data packet for meeting preset standard；
By preset the OTN business is corresponded in multiple channels, first data packet is handed in the channel of the PTN business
Fork scheduling；
First data packet is handled to obtain the first ODU frame, OTN business is formed simultaneously according to the first ODU frame
Output.
2. data service handling method according to claim 1, which is characterized in that further include:
Second business packet of the OTN business described received correspondence is handled to obtain the 2nd ODU frame, to the 2nd ODU frame
It is handled to obtain the second data packet for meeting preset standard；
By presetting the channel of the OTN business is corresponded in multiple channels cross scheduling is carried out to second data packet, it is described
The channel that the OTN business is corresponded in multiple channels has highest priority in cross scheduling；
It is handled to obtain the 2nd ODU frame to second data packet, and is formed according to the 2nd ODU frame described
OTN business simultaneously exports.
3. data service handling method according to claim 1, which is characterized in that further include:
The third business packet of the PTN business described received correspondence is handled to obtain the third data for meeting the preset standard
Packet；
Channel by corresponding to the PTN business in the multiple channel carries out cross scheduling to the third data packet；
The PTN business is formed based on the third data packet and is exported.
4. data service handling method according to claim 1, which is characterized in that further include:
4th business packet of received corresponding SDH business is handled to obtain VC particle；
Channel by corresponding to the SDH business in the multiple channel carries out cross scheduling to above-mentioned VC particle；
The SDH business is formed based on the VC particle and is exported.
5. a kind of data processing device characterized by comprising
Business receiving module is handled to obtain the first ODU frame to the first business packet of received corresponding PTN business, and to institute
The first ODU is stated to be handled to obtain the first data packet for meeting preset standard；
Cross scheduling module, by presetting the channel for corresponding to the OTN business, the PTN business in multiple channels to described
One data packet carries out cross scheduling；
Business output module, processing handles first data packet to obtain the first ODU frame, according to described first
ODU frame forms OTN business and exports.
6. data processing device according to claim 5, which is characterized in that
Second business packet of business receiving module OTN business also described received correspondence is handled to obtain the 2nd ODU
Frame is handled to obtain the second data packet for meeting preset standard to the 2nd ODU frame；
The traffic scheduling module is also by presetting the channel for corresponding to the OTN business in multiple channels to second data packet
Cross scheduling is carried out, the channel that the OTN business is corresponded in the multiple channel has highest priority in cross scheduling；
The business output module also handles second data packet to obtain the 2nd ODU frame, and according to described
2nd ODU frame forms the OTN business and exports.
7. data processing device according to claim 5, which is characterized in that
Described in the third business packet of business receiving module PTN business also described received correspondence is handled to obtain and is met
The third data packet of preset standard；
The traffic scheduling module is also by corresponding to the channel of the PTN business to the third data packet in the multiple channel
Carry out cross scheduling；
The business output module is also based on the third data packet and forms the PTN business and export.
8. data processing device according to claim 1, which is characterized in that
The business receiving module also is handled to obtain VC particle to the 4th business packet of received corresponding SDH business；
The traffic scheduling module also carries out above-mentioned VC particle by corresponding to the channel of the SDH business in the multiple channel
Cross scheduling；
The business output module is also based on the VC particle and forms the SDH business and export.
9. a kind of optical transmission device, which is characterized in that including processor, memory and communication bus；
The communication bus is for realizing the connection communication between processor and memory；
The processor is for executing the data processing program stored in memory, to realize as appointed in Claims 1-4
The step of data service handling method described in one.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage have one or
Multiple programs, one or more of programs can be executed by one or more processor, to realize in Claims 1-4
The step of described in any item data service handling methods.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311720.8A CN110365606A (en) | 2018-04-09 | 2018-04-09 | Data service handling method, device, optical transmission device and storage medium |
| PCT/CN2019/080129 WO2019196665A1 (en) | 2018-04-09 | 2019-03-28 | Data service processing method, apparatus, optical transmission device, and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810311720.8A CN110365606A (en) | 2018-04-09 | 2018-04-09 | Data service handling method, device, optical transmission device and storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110365606A true CN110365606A (en) | 2019-10-22 |
Family
ID=68163469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810311720.8A Withdrawn CN110365606A (en) | 2018-04-09 | 2018-04-09 | Data service handling method, device, optical transmission device and storage medium |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110365606A (en) |
| WO (1) | WO2019196665A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291631A (en) * | 2011-08-12 | 2011-12-21 | 中兴通讯股份有限公司 | Hybrid access and transmission method and device of packet switching and optical transport network service |
| CN101536369B (en) * | 2006-12-26 | 2012-10-03 | 中兴通讯股份有限公司 | Method and device for supporting optical transmission network service dispatch in optical synchronization network |
| CN103997697A (en) * | 2014-04-21 | 2014-08-20 | 烽火通信科技股份有限公司 | Dual-channel POTN linear protection system, method and device |
| US20150381513A1 (en) * | 2014-06-27 | 2015-12-31 | Electronics And Telecommunications Research Institute | Apparatus and method for managing otn traffic in packet-circuit integrated transport system based on multilayer-integrated fabric switch |
| CN105323137A (en) * | 2014-07-31 | 2016-02-10 | 中兴通讯股份有限公司 | Service data transmission method and service data transmission device |
| CN107547223A (en) * | 2016-06-27 | 2018-01-05 | 南京中兴软件有限责任公司 | It is grouped the processing method and processing device of optical transport network POTN business |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684994B (en) * | 2012-03-30 | 2015-05-20 | 中兴通讯股份有限公司 | Method and system for achieving business scheduling |
-
2018
- 2018-04-09 CN CN201810311720.8A patent/CN110365606A/en not_active Withdrawn
-
2019
- 2019-03-28 WO PCT/CN2019/080129 patent/WO2019196665A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101536369B (en) * | 2006-12-26 | 2012-10-03 | 中兴通讯股份有限公司 | Method and device for supporting optical transmission network service dispatch in optical synchronization network |
| CN102291631A (en) * | 2011-08-12 | 2011-12-21 | 中兴通讯股份有限公司 | Hybrid access and transmission method and device of packet switching and optical transport network service |
| CN103997697A (en) * | 2014-04-21 | 2014-08-20 | 烽火通信科技股份有限公司 | Dual-channel POTN linear protection system, method and device |
| US20150381513A1 (en) * | 2014-06-27 | 2015-12-31 | Electronics And Telecommunications Research Institute | Apparatus and method for managing otn traffic in packet-circuit integrated transport system based on multilayer-integrated fabric switch |
| CN105323137A (en) * | 2014-07-31 | 2016-02-10 | 中兴通讯股份有限公司 | Service data transmission method and service data transmission device |
| CN107547223A (en) * | 2016-06-27 | 2018-01-05 | 南京中兴软件有限责任公司 | It is grouped the processing method and processing device of optical transport network POTN business |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019196665A1 (en) | 2019-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10623335B2 (en) | Network device and a method for networking | |
| CN106850465B (en) | A kind of Flex E method for interchanging data and switching equipment | |
| US8842688B2 (en) | Reducing cabling complexity in large-scale networks | |
| Farrington et al. | Data center switch architecture in the age of merchant silicon | |
| CN103905281B (en) | FC-AE-1553 bus node card capable of interchangeably achieving functions of network controller and network terminal | |
| CN104283817B (en) | Line card and the method and message forwarding equipment of logic line card intercommunication are exchanged for realizing | |
| CN103918231B (en) | A kind of apparatus and method of Optical Channel Data Unit-k operation exchange | |
| CN107634913B (en) | A kind of satellite borne equipment system of service traffics control and Differentiated Services | |
| CN105245301A (en) | Time-triggered based airborne optical network simulation system | |
| CN106341330A (en) | Topology discovery method and system of SDN controller | |
| CN102857295A (en) | Virtual channel based SpaceWire network transmission and processing | |
| CN109450544A (en) | Optical line terminal OLT equipment, passive optical network PON data transferring method | |
| CN105323137B (en) | Service data transmission method and device | |
| CN106998347A (en) | The apparatus and method of server virtualization network share | |
| CN107819659A (en) | A kind of intelligent level UNICOM communication network based on SPI | |
| CN207304610U (en) | A kind of high bit rate base band data real time processing system of remote sensing load | |
| CN110365606A (en) | Data service handling method, device, optical transmission device and storage medium | |
| CN105790875B (en) | A kind of cross scheduling method and device thereof | |
| CN104394160B (en) | A kind of Link Layer Discovery Protocol applies the method in SDH | |
| CN100571219C (en) | A kind of load balancing router and the equipment, the method that realize load balancing | |
| CN103716258B (en) | High-density line card, switching device, cluster system and electric signal type configuration method | |
| CN109842503A (en) | Link-quality test method and system | |
| CN102685011B (en) | Route computing method in a kind of TRILL network and equipment | |
| CN112436601B (en) | Information flow processing method of intelligent substation, computer equipment and storage medium | |
| CN106972906B (en) | A kind of exchange of grouping optical transport network service and mapped system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191022 |
|
| WW01 | Invention patent application withdrawn after publication |